CN217239662U - Lock shaft, battery pack and electric automobile - Google Patents

Lock shaft, battery pack and electric automobile Download PDF

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Publication number
CN217239662U
CN217239662U CN202123424492.1U CN202123424492U CN217239662U CN 217239662 U CN217239662 U CN 217239662U CN 202123424492 U CN202123424492 U CN 202123424492U CN 217239662 U CN217239662 U CN 217239662U
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China
Prior art keywords
shaft
lock
lock shaft
seat
sleeve
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Active
Application number
CN202123424492.1U
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Chinese (zh)
Inventor
张建平
黄春华
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Aulton New Energy Automotive Technology Co Ltd
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Aulton New Energy Automotive Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455—Removal or replacement of the energy storages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Abstract

The utility model provides a lock axle, battery package and electric automobile, the lock axle includes axle main part, axle sleeve and barrier unit. The shaft main body comprises a shaft seat and a shaft rod, and the shaft rod is arranged on the shaft seat. The shaft sleeve is sleeved on the shaft rod and can rotate around the shaft rod. The blocking component is arranged at one end, far away from the shaft seat, of the shaft rod and used for limiting the shaft sleeve to be separated from the shaft rod, namely the blocking component can block the shaft sleeve and prevent the shaft sleeve from falling off from the shaft rod. The end face of the shaft lever far away from the shaft seat is not exposed out of the end face of the blocking component far away from the shaft seat. The utility model also provides a battery package, this battery package is including foretell lock axle to and an electric automobile including above-mentioned battery package. The axostylus axostyle among the lock axle is difficult for taking place to collide with and damage, and then can strengthen the intensity of lock axle, prolongs the life of lock axle, need not to change the lock axle frequently again.

Description

Lock shaft, battery pack and electric automobile
Technical Field
The utility model relates to a trade the electric field, in particular to lock axle, battery package and electric automobile.
Background
The conventional battery pack mounting methods for electric vehicles are generally classified into a fixed type and a replaceable type, wherein the fixed type battery pack is generally fixed to the vehicle, and the vehicle is directly used as a charging target during charging. The replaceable battery pack is generally movably mounted, and the battery pack can be taken down at any time and replaced by a new battery pack.
Locking and unlocking of the battery pack is involved in the process of replacing a new battery pack. Therefore, it is necessary to arrange a locking assembly on the electric vehicle, and a locking shaft matched with the locking assembly is arranged on the battery pack. The lock shaft comprises a retainer ring, a shaft sleeve, a shaft rod and a shaft seat, wherein the retainer ring is used for limiting the shaft sleeve between the shaft seat and the retainer ring. However, the strength of the retainer ring in the prior art is low, the lock shaft is easy to damage, and because the manufacturing cost needs to be considered, the lock shaft in the prior art often adopts a riveting mode to fix the retainer ring, when the riveting fixing mode is adopted, one end of the shaft rod can be exposed out of the retainer ring, not only the occupied space is large, but also the exposed part of the shaft rod is easy to collide with.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to expose in the retaining ring in order to overcome the one end of lock shaft axostylus axostyle among the prior art, the space that not only occupies is great, and the part that the axostylus axostyle exposes takes place to collide with and damage easily moreover, can't carry out the defect of maintaining, provides a lock shaft.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a lock shaft, the lock shaft comprising:
the shaft comprises a shaft body and a shaft cover, wherein the shaft body comprises a shaft seat and a shaft rod, and the shaft rod is arranged on the shaft seat;
the shaft sleeve is rotatably sleeved on the shaft lever;
the blocking component is arranged at one end, far away from the shaft seat, of the shaft rod and used for limiting the shaft sleeve to be separated from the shaft rod, and the end face, far away from the shaft seat, of the shaft rod is not exposed out of the end face, far away from the shaft seat, of the blocking component.
In this scheme, the terminal surface that the axle bed was kept away from to the axostylus axostyle does not expose in the terminal surface that blocks the part and deviate from the axle bed to make the difficult emergence of axostylus axostyle collide with and damage, and then can strengthen the intensity of lock axle, the life of extension lock axle.
Preferably, one side of the blocking component close to the shaft rod is provided with a first connecting part, the end part of the shaft rod far away from the shaft seat is provided with a second connecting part, and the first connecting part is detachably connected to the second connecting part.
In this scheme, can dismantle first connecting portion and second connecting portion and be connected, can make to block that the part is connected reliable and more stable with the axostylus axostyle, and can dismantle the part from the axostylus axostyle that blocks, be convenient for block the maintenance and the change of part.
Preferably, the first connecting portion is a protruding portion extending outward from the surface of the blocking member, the second connecting portion is a recessed portion recessed inward from the surface of the shaft, and the first connecting portion is embedded in the second connecting portion.
In this scheme, the bellying of barrier member is connected with the depressed part of axostylus axostyle deeply inside the axostylus axostyle to make the axostylus axostyle not expose in barrier member, and then can prolong the life of lock axle.
Preferably, the first connecting portion is a clamping groove which is recessed inwards from the surface of the blocking component, the second connecting portion is an end portion of the shaft rod far away from the shaft seat, the second connecting portion is embedded in the first connecting portion, and the second connecting portion is located inside the blocking component or the end face of the second connecting portion is flush with the end face of the blocking component far away from the shaft seat.
In this scheme, the tip of axostylus axostyle gos deep into the draw-in groove that blocks the part to make the axostylus axostyle not expose in blocking the part, and then can prolong the life of lock axle.
Preferably, the blocking member includes a blocking member and a connector, the first connector being located on the connector, the connector being used to connect the blocking member to the shaft.
In this aspect, the barrier member includes a two-part structure, which can improve the structural strength of the barrier member.
Preferably, the connecting piece is detachably arranged at one end of the shaft rod far away from the shaft seat.
In this scheme, can follow the axostylus axostyle and dismantle to change after blockking the piece damage, convenient rapid and practice thrift the cost.
Preferably, the blocking member includes a collar portion and an insert portion extending outwardly from a surface of the collar portion.
In this scheme, stop including the fender portion and insert the portion two parts, can improve the structural strength who stops.
Preferably, the insertion portion and the shaft are mutually nested.
In this scheme, the restriction of registrating each other with the axostylus axostyle of inserted part, can make to block that to block more stable that is connected with the axostylus axostyle.
Preferably, the insertion part is sleeved on the outer wall of the shaft rod.
In this scheme, the portion of inserting overlaps on the outer wall of axostylus axostyle, can make the portion of inserting and the connection of axostylus axostyle more stable.
Preferably, the outer wall of the shaft rod is provided with a receiving groove, and the insertion part is sleeved on the side wall of the receiving groove.
In this scheme, the holding tank that the axostylus axostyle outer wall set up can registrate the portion of inserting, can make things convenient for the mutual registrate of the portion of inserting and axostylus axostyle.
Preferably, one end of the shaft sleeve, which is far away from the shaft seat, is sleeved on the outer wall of the insertion part.
In this scheme, the outer wall of inserting portion is located to the pot head that the axle bed was kept away from to the axle sleeve, and inserting portion can provide the support for the rotation of axle sleeve, makes the axle sleeve rotatory more steady.
Preferably, the blocking piece covers the end face of the shaft rod at the end far away from the shaft seat.
In this scheme, block that the piece covers the axostylus axostyle and can guarantee that the axostylus axostyle does not expose in blocking the piece.
Preferably, the stop ring part covers at least part of the end surface of the shaft sleeve far away from the shaft seat.
In this scheme, retaining ring portion can restrict the axle sleeve and drop from the axostylus axostyle.
Preferably, the outer periphery of the collar portion is provided with a chamfered portion.
In this scheme, set up chamfer portion and can prevent that retaining ring itself and axle sleeve from producing the burr.
Preferably, the collar portion has an outer diameter larger than an outer diameter of the insertion portion.
In this aspect, the outer diameter of the collar portion is larger than the outer diameter of the insertion portion, so that after the insertion portion is connected to the stem, neither the stem nor the insertion portion is exposed to the collar portion.
Preferably, the connector passes through the collar portion and is removably connected to the shaft.
In this scheme, the connecting piece passes the retaining ring portion and is connected with the axostylus axostyle, can make to block that the part is connected more reliable and more stable with the axostylus axostyle to can practice thrift installation space.
Preferably, the inner wall surface of the retainer ring portion is configured to be attached to the connecting member.
In this scheme, the internal face and the connection of retaining ring are laminated mutually, can prevent that retaining ring portion from producing and rocking.
Preferably, an inner diameter of the collar portion is reduced along a direction in which the insertion portion extends, and a minimum inner diameter of the collar portion is smaller than an inner diameter of the insertion portion.
In this scheme, the wall of retaining ring portion is the toper, and the connecting piece can compress tightly on the axostylus axostyle with the part of keeping off the part steadily when laminating with retaining ring portion toper inner wall face.
Preferably, the outer diameter of the sleeve is larger than the outer diameter of the collar portion.
In this scheme, the external diameter of axle sleeve is greater than the external diameter of retaining ring portion, can practice thrift installation space, has improved the grafting precision simultaneously, guarantees that the outer peripheral face of retaining ring can not contact other parts that are connected with the axle sleeve.
Preferably, the second connecting portion is a connecting hole, and the connecting hole is matched with the connecting piece.
In this scheme, set up the connecting hole as the second connecting portion on the axostylus axostyle, first connecting portion can imbed the connecting hole, can make to block that the part is connected more firmly reliably with the axostylus axostyle.
Preferably, the connecting piece comprises the first connecting part and a head part, the first connecting part is a threaded part, and the threaded part is detachably connected with the connecting hole; the head is arranged at one end of the threaded portion, and a dismounting groove is formed in the surface, deviating from the threaded portion, of the head.
In this scheme, the connecting piece includes head and first connecting portion, has screw thread portion on the first connecting portion, has the dismouting recess on the head, can swiftly realize the function that the fixed piece that blocks can dismantle of connecting piece, simple and practical through dismouting recess and screw thread portion.
The utility model also provides a battery package, including foretell lock axle in this battery package.
The utility model also provides an electric automobile, including foretell battery package among this electric automobile.
The utility model discloses an actively advance the effect and lie in: the one end that the axle bed was kept away from to the axostylus axostyle is located to the barrier part, and the barrier part is used for restricting the axle sleeve and breaks away from the axostylus axostyle, and the terminal surface that the axle bed was kept away from to the axostylus axostyle does not expose in the terminal surface that the barrier part deviates from the axle bed to make the difficult emergence of axostylus axostyle collide with and damage, and then can strengthen the intensity of lock axle, prolong the life of lock axle. The blocking component comprises a stop ring part and an insertion part, and the blocking component is integrally in a boss shape, and the structural strength of the blocking component can be greatly improved due to the design of the structural shape. The blocking component is detachably connected to the shaft rod, so that the blocking component is convenient to repair and replace, and the cost can be saved.
Drawings
Fig. 1 is an exploded view of a lock shaft according to an embodiment of the present invention.
Fig. 2 is an assembly diagram of a lock shaft according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a lock shaft according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a blocking member of a lock shaft according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a connecting member of a lock shaft according to an embodiment of the present invention.
Description of reference numerals:
axle seat 1
Shaft lever 2
Shaft sleeve 3
Blocking part 4
Stopper 41
Retaining ring part 411
Insertion part 412
Connecting piece 42
First connection part 5
Second connecting part 6
Accommodating tank 7
Chamfered part 8
Head 9
Dismounting groove 10
Protective part 11
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
Example 1
The present embodiment provides an electric vehicle, which is a vehicle that runs by using a battery pack as power and driving wheels with a motor.
The present embodiment provides a battery pack, which is disposed on the electric vehicle and used for providing power for the electric vehicle, and the battery pack includes the following lock shaft.
As shown in fig. 1 to 5, the present embodiment provides a lock shaft including a shaft main body, a boss 3, and a blocking member 4. The axle main body comprises an axle seat 1 and an axle rod 2, and the axle rod 2 is arranged on the axle seat 1. The shaft sleeve 3 is sleeved on the shaft lever 2 and can rotate around the shaft lever 2. The blocking component 4 is arranged at one end, far away from the shaft seat 1, of the shaft rod 2, the blocking component 4 is used for limiting the shaft sleeve 3 to be separated from the shaft rod 2, namely the blocking component 4 can block the shaft sleeve 3, and the shaft sleeve 3 is prevented from falling off from the shaft rod 2.
The terminal surface that axle lever 2 kept away from axle bed 1 does not expose in the terminal surface that blocks part 4 and deviate from axle bed 1, has just so solved the part that axle lever 2 exposes among the prior art and has taken place to collide with easily and the defect of damage to make axle lever 2 be difficult for taking place to collide with and damage, and then can strengthen the intensity of lock axle, the life of extension lock axle need not to change the lock axle frequently again.
As shown in fig. 1 and fig. 3, the blocking component 4 includes a blocking member 41 and a connecting member 42, a first connecting portion 5 is disposed on one side of the connecting member 42 close to the shaft rod 2, a second connecting portion 6 is disposed on an end portion of the shaft rod 2 far away from the shaft seat 1, the first connecting portion 5 is detachably connected to the second connecting portion 6, the connecting member 42 connects the blocking member 41 to the shaft rod 2, and the blocking member 41 can prevent the shaft sleeve 3 from falling off from the shaft rod 2.
The blocking member 41 and the connecting member 42 are engaged with each other, and the structural strength of the blocking member 4 can be improved. The first connecting portion 5 is connected with the second connecting portion 6 in an embedded manner, that is, the blocking component 4 and the shaft rod 2 are connected in an embedded manner, so that the blocking component 4 and the shaft rod 2 can be connected more stably and reliably.
The blocking member 41 covers the end surface of the shaft 2 remote from the shaft seat 1. In this embodiment, the spindle 2 is completely covered by the blocking member 41, so that the spindle 2 is ensured not to be exposed to the blocking member 41, and the spindle 2 is ensured not to be exposed to the blocking member 4, thereby reducing the wear of the spindle 2 and prolonging the service life of the lock shaft.
The connecting piece 42 can be detachably arranged at one end of the shaft lever 2 far away from the shaft seat 1, after the blocking component 4 is damaged, the connecting piece 42 can be detached from the shaft lever 2, then the blocking piece 41 can be detached from the shaft lever 2 for replacement, the locking shaft does not need to be replaced, the maintenance and replacement of the blocking component 4 are facilitated, and the cost can be saved.
As shown in fig. 4, the blocking member 41 includes a stop ring portion 411 and an insertion portion 412, the insertion portion 412 extends and protrudes from the surface of the stop ring portion 411, the blocking member 41 is in a boss shape as a whole, and the structural shape is designed to greatly improve the structural strength of the blocking member 41.
As shown in fig. 1-3, the insertion portion 412 is mutually sleeved with the shaft 2, the outer wall of the shaft 2 is provided with the receiving groove 7, the insertion portion 412 is sleeved on the side wall of the receiving groove 7, the receiving groove 7 can provide a receiving space for the insertion portion 412, so that the insertion portion 412 and the shaft 2 can be conveniently sleeved with each other, and the insertion portion 412 and the receiving groove 7 are mutually limited, so that the connection between the blocking member 41 and the shaft 2 can be more stable.
In an alternative embodiment, the insertion portion 412 is sleeved on the outer wall of the shaft 2.
As shown in fig. 1-3, one end of the shaft sleeve 3 away from the shaft seat 1 is rotatably sleeved on the outer wall of the insertion portion 412, so that the insertion portion 412 can provide support for the shaft sleeve 3, and the shaft sleeve 3 is more stable in rotation.
As shown in fig. 1 to 4, the collar portion 411 covers at least a part of the end surface of the sleeve 3 away from the shaft seat 1, so that the collar portion 411 can prevent the sleeve 3 from falling off the shaft 2, and the end surface of the shaft 2 away from the shaft seat 1 is not exposed to the collar portion 411.
The periphery of retaining ring portion 411 is equipped with chamfer portion 8, and the lock shaft inevitable meeting of dismouting produces the friction with other parts, can prevent behind the setting chamfer portion 8 that retaining ring itself and axle sleeve 3 from producing the burr.
The collar portion 411 has an outer diameter larger than that of the insertion portion 412, and the collar portion 411 can cover the insertion portion 412, so that after the insertion portion 412 is connected to the stem 2, neither the stem 2 nor the insertion portion 412 is exposed to the collar portion 411.
As shown in fig. 1-5, the connector 42 passes through the collar portion 411 and is removably attached to the shaft 2.
In this embodiment, the connecting piece 42 passes through the center of the retaining ring portion 411 and then is connected to the shaft rod 2, and there is a large contact area between the retaining ring portion 411 and the connecting piece 42, so that the retaining ring portion 411 can be firmly abutted against the shaft rod 2, and the connection between the blocking component 4 and the shaft rod 2 can be more stable and reliable, and the installation space can be saved.
As shown in fig. 1 to 4, the inner wall surface of the collar portion 411 is fitted to the connector 42, the inner diameter of the collar portion 411 is reduced in the direction in which the insertion portion 412 extends, and the minimum inner diameter of the collar portion 411 is smaller than the inner diameter of the insertion portion 412. The inner diameter of the collar portion 411 is reduced along the extending direction of the insertion portion 412, so that the inner wall surface of the collar portion 411 is tapered, the connecting piece 42 stably presses the blocking component 4 on the shaft rod 2 when being attached to the tapered inner wall surface of the collar portion 411, and the collar portion 411 can be prevented from shaking.
As shown in fig. 1 to 3, the outer diameter of the shaft sleeve 3 is larger than the outer diameter of the retainer ring portion 411, which not only saves the installation space, but also improves the insertion accuracy, and ensures that the outer peripheral surface of the retainer ring does not contact other components connected with the shaft sleeve 3.
As shown in fig. 5, the connecting member 42 includes a first connecting portion 5 and a head portion 9, the first connecting portion 5 is a threaded portion, the head portion 9 is disposed at one end of the threaded portion, and a mounting and dismounting groove 10 is disposed on a surface of the head portion 9 away from the threaded portion 9. As shown in fig. 1, the second connecting portion 6 is a connecting hole formed in the end portion of the shaft rod 2, the connecting hole is matched with the threaded portion, the threaded portion is embedded into the connecting hole and detachably connected with the connecting hole, so that the blocking component 4 and the shaft rod 2 can be more firmly and reliably connected, the function of detachably fixing the blocking component 41 of the connecting component 42 can be quickly realized through the dismounting groove 10 and the threaded portion 9, and the detachable fixing device is simple and practical.
In this embodiment, the connecting member 42 is a countersunk head screw, and the shape of the mounting/dismounting groove 10 is a hexagonal plum blossom shape. By adopting the non-standard anti-theft nut mounting structure, later-period professional maintenance is facilitated, and safety is ensured; the quincunx groove bolt head structure is convenient to disassemble and assemble, the head part 9 is not easy to slip compared with an inner hexagonal bolt head, and later maintenance and repair can be facilitated. Further, the bottom of the attaching and detaching groove 10 is also provided with a cylindrical guard portion 11. Therefore, the connecting piece 42 can be disassembled and assembled only by customizing a matched disassembling tool, the anti-theft function is realized, the cylindrical shape can bear larger torsion force during disassembling and assembling, and the damage is not easy to damage.
Example 2
The present embodiment further provides a lock shaft, which has substantially the same structure as the lock shaft in embodiment 1, except that: the blocking component 4 comprises a blocking component 41, the first connecting portion 5 is a protruding portion which extends outwards from the surface of the blocking component 41, the second connecting portion 6 is a groove which is recessed inwards from the surface of the shaft lever 2, the first connecting portion 5 is clamped on the second connecting portion 6, the shaft lever 2 is not exposed out of the blocking component 4, abrasion of the shaft lever 2 can be reduced, and the service life of the lock shaft is prolonged.
The first connecting part 5 and the second connecting part 6 are detachably connected, the blocking part 4 can be independently detached from the shaft lever 2 after the blocking part 4 is damaged, a new blocking part 4 is replaced without replacing a lock shaft, the blocking part 4 is convenient to maintain and replace, and the cost can be saved.
However, it should be understood by those skilled in the art that the connection form of the first connection part 5 and the second connection part 6 is not particularly limited, and various suitable connection forms, such as snap-fit, plug-in, hook-in, tenon, screw-in, etc., may be adopted according to the actual situation.
Example 3
The present embodiment further provides a lock shaft, which has substantially the same structure as the lock shaft in embodiment 1, except that: the blocking component 4 comprises a blocking component 41, the first connecting portion 5 is a clamping groove which is inwards recessed from the surface of the blocking component 41, the second connecting portion 6 is an end portion of the shaft rod 2 far away from the shaft seat 1, the second connecting portion 6 is embedded in the first connecting portion 5, and the second connecting portion 6 is located in the blocking component 4 or the end face of the second connecting portion 6 is flush with the end face of the blocking component 4 far away from the shaft seat 1. In this embodiment, the end of the shaft rod 2 is inserted into the slot of the blocking component 4, so that the shaft rod 2 is not exposed out of the blocking component 4, and the service life of the lock shaft can be further prolonged.
The first connecting portion 5 and the second connecting portion 6 are detachably connected, the blocking component 4 can be detached from the shaft rod 2 independently after the blocking component 4 is damaged, the blocking component 4 can be replaced with a new one, a lock shaft does not need to be replaced, the blocking component 4 can be maintained and replaced conveniently, and cost can be saved.
It should be understood by those skilled in the art that the connection form of the first connection part 5 and the second connection part 6 is not particularly limited, and various suitable connection forms may be adopted according to practical situations, such as clamping, buckling, inserting, hooking, joggling, screwing and the like.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (23)

1. A lock shaft, characterized in that the lock shaft comprises:
the shaft comprises a shaft body and a shaft rod, wherein the shaft body comprises a shaft seat and the shaft rod is arranged on the shaft seat;
the shaft sleeve is rotatably sleeved on the shaft lever;
the blocking component is arranged at one end, far away from the shaft seat, of the shaft rod and used for limiting the shaft sleeve to be separated from the shaft rod, and the end face, far away from the shaft seat, of the shaft rod is not exposed out of the end face, far away from the shaft seat, of the blocking component.
2. The lock shaft of claim 1 wherein said blocking member has a first coupling portion on a side thereof adjacent said shaft, and a second coupling portion on an end thereof remote from said shaft seat, said first coupling portion being removably coupled to said second coupling portion.
3. The lock shaft according to claim 2, wherein the first connecting portion is a protruding portion extending outward from the surface of the blocking member, the second connecting portion is a recessed portion recessed inward from the surface of the shaft, and the first connecting portion is fitted to the second connecting portion.
4. The lock shaft of claim 2, wherein the first connecting portion is a slot recessed inward from a surface of the blocking member, the second connecting portion is an end of the shaft away from the shaft seat, the second connecting portion is embedded in the first connecting portion, and the second connecting portion is located inside the blocking member or an end surface of the second connecting portion is flush with an end surface of the blocking member facing away from the shaft seat.
5. The lock shaft of claim 2 wherein said blocking member comprises a blocking member and a connector member, said first connector member being located on said connector member, said connector member being adapted to connect said blocking member to said shaft.
6. The lock shaft of claim 5 wherein said coupling is removably disposed on an end of said shaft remote from said shaft seat.
7. The lock shaft of claim 6 wherein the stop includes a collar portion and an insert portion, the insert portion extending outwardly from a surface of the collar portion.
8. The lock shaft of claim 7 wherein said insert is nested with said shaft.
9. The lock shaft of claim 8 wherein said insert is sleeved on an outer wall of said shank.
10. The lock shaft of claim 8 wherein said shank defines a receiving groove in an outer wall thereof, said insert being received in a sidewall of said receiving groove.
11. The lock shaft of claim 10, wherein an end of the sleeve remote from the shaft seat is disposed on an outer wall of the insertion portion.
12. The lock spindle of claim 9 or 10, wherein the blocking member covers an end face of the spindle shaft remote from the spindle seat.
13. The lock shaft of claim 9 or 10 wherein said collar portion covers at least a portion of an end surface of said sleeve remote from said shaft seat.
14. The lock shaft of claim 7 wherein the collar portion is provided with a chamfer on its outer periphery.
15. The lock shaft of claim 7 wherein said collar portion has an outer diameter greater than an outer diameter of said insert portion.
16. The lock shaft of claim 7 wherein said connector member extends through said collar portion and is removably connected to said spindle.
17. The lock shaft of claim 7 wherein an inner wall surface of said collar portion is configured for abutting engagement with said connector.
18. The lock shaft of claim 7 wherein said collar portion has a reduced inner diameter along the direction in which said insert portion extends, said collar portion having a minimum inner diameter less than the inner diameter of said insert portion.
19. The lock shaft of claim 7 wherein said sleeve has an outer diameter greater than an outer diameter of said collar portion.
20. The lock shaft as claimed in claim 5, wherein the second connecting portion is a connecting hole, and the connecting hole is provided to be engaged with the connecting member.
21. The lock shaft according to claim 20, wherein the coupling member includes the first coupling portion and a head portion, the first coupling portion being a threaded portion detachably coupled to the coupling hole; the head is arranged at one end of the threaded portion, and a dismounting groove is formed in the surface, deviating from the threaded portion, of the head.
22. A battery pack, characterized in that it comprises a lock shaft according to any one of claims 1 to 21.
23. An electric vehicle comprising the battery pack according to claim 22.
CN202123424492.1U 2021-11-30 2021-12-31 Lock shaft, battery pack and electric automobile Active CN217239662U (en)

Applications Claiming Priority (6)

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CN202111444383 2021-11-30
CN2021114443838 2021-11-30
CN202111606781 2021-12-26
CN2021116067815 2021-12-26
CN2021116067637 2021-12-26
CN202111606763 2021-12-26

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CN202111673838.3A Pending CN115284860A (en) 2021-11-30 2021-12-31 Bottom articulates formula battery package and electric automobile
CN202111667615.6A Pending CN115303044A (en) 2021-11-30 2021-12-31 Electric automobile with compact battery pack layout
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CN202123455513.6U Active CN217227279U (en) 2021-11-30 2021-12-31 Quick change bracket component and electric automobile
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CN202123456095.2U Active CN217281073U (en) 2021-11-30 2021-12-31 Battery package tray and contain its electric automobile

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